北京研彩大孝现代远程教育 般过去时s现在完成时 E.g.Have you read Little Prince? 。Yes,I have. ·When did you read it? About two years ago when I went to Paris.一般过去时vs.现在完成时 • E.g. Have you read Little Prince? • Yes, I have. • When did you read it? • About two years ago when I went to Paris